<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card class="box-card">
      <!-- 搜索和添加 -->
      <el-row :gutter="30">
        <el-col :span="9">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!--用户列表区  -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role"></el-table-column>
        <el-table-column label="性别" prop="gender"></el-table-column>
        <!-- <el-table-column label="密码" prop="password"></el-table-column> -->
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.state"
              @change="userStateChanged(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-tooltip effect="dark" content="修改用户" placement="top">
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 删除按钮 -->
            <el-tooltip effect="dark" content="删除用户" placement="top">
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pageNum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容区 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
        <el-form-item label="性别" prop="gender">
          <el-select v-model="addForm.gender" placeholder="请选择">
            <el-option
              v-for="item in genderOptions"
              :key="item.value"
              :label="item.label"
              :value="item.label"
            >
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <!-- 底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser"> 确 定 </el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户信息"
      :visible.sync="editDialogVisible"
      width="50%"
    >
      <!-- 内容区 -->
      <el-form
        :model="editForm"
        :rules="editRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
        <!-- <el-form-item label="密码" prop="password">
          <el-input v-model="editForm.password"></el-input>
        </el-form-item> -->
        <el-form-item label="性别" prop="gender">
          <el-select v-model="editForm.gender" placeholder="请选择">
            <el-option
              v-for="item in genderOptions"
              :key="item.value"
              :label="item.label"
              :value="item.label"
            >
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <!-- 底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo"> 确 定 </el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <el-row>
          <el-col :span="12">
            <p>当前用户：{{ userInfo.username }}</p>
          </el-col>
          <el-col :span="12">
            <p>当前角色：{{ userInfo.role }}</p>
          </el-col>
          <el-col :span="4">
            <p>分配新角色：</p>
          </el-col>
          <el-col :span="16">
            <el-input
              v-model="newRoleName"
              placeholder="请输入角色名称"
            ></el-input>
          </el-col>
        </el-row>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="setRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 自定义验证邮箱规则
    var checkEmail = (rule, value, callback) => {
      const regEmail = /^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/
      if (regEmail.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法的邮箱'))
    }
    // 自定义验证手机规则
    var checkMobile = (rule, value, callback) => {
      const regMobile = /^((13[0-9])|(17[0-1,6-8])|(15[^4,\\D])|(18[0-9]))\d{8}$/
      if (regMobile.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法的手机号'))
    }

    return {
      // 获取用户列表得参数对象
      queryInfo: {
        query: '',
        // 默认当前页数
        pageNum: 1,
        // 默认当前每页显示多少条数据
        pageSize: 10
      },
      userlist: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [
        {
          value: '1',
          label: '超级管理员'
        },
        {
          value: '0',
          label: '普通用户'
        }
      ],
      // 已输入角色名称
      newRoleName: '',
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
        gender: ''
      },
      // 添加表单验证规则
      addFormRules: {
        username: [
          {
            required: true,
            message: '请输入用户名',
            trigger: 'blur'
          },
          {
            min: 2,
            max: 15,
            message: '用户名长度在3-10之间',
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 15,
            message: '密码长度在6-15之间',
            trigger: 'blur'
          }
        ],
        email: [
          {
            required: true,
            message: '请输入邮箱',
            trigger: 'blur'
          },
          {
            validator: checkEmail,
            trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: true,
            message: '请输入手机号',
            trigger: 'blur'
          },
          {
            validator: checkMobile,
            trigger: 'blur'
          }
        ],
        gender: [
          {
            required: true,
            message: '请输入性别',
            trigger: 'blur'
          }
        ]
      },
      // 查询到的用户信息对象
      editForm: {},
      //修改表单的验证规则对象
      editRules: {
        email: [
          {
            required: true,
            message: '请输入邮箱',
            trigger: 'blur'
          },
          {
            validator: checkEmail,
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: 'blur'
          }
        ],
        gender: [
          {
            required: true,
            message: '请输入性别',
            trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: true,
            message: '请输入手机号',
            trigger: 'blur'
          },
          {
            validator: checkMobile,
            trigger: 'blur'
          }
        ]
      },
      genderOptions: [
        {
          value: '1',
          label: '男'
        },
        {
          value: '0',
          label: '女'
        }
      ]
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    // 网络请求获取用户列表
    async getUserList() {
      const { data: res } = await this.$http.get('alluser', {
        params: this.queryInfo
      })
      if (res.numbers < 1) {
        return this.$message.error('获取用户列表失败！')
      }
      console.log(res)
      this.userlist = res.data
      this.total = res.numbers
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pageSize = newSize
      this.getUserList()
    },
    // 监听 页码值得改变
    handleCurrentChange(newPage) {
      this.queryInfo.pageNum = newPage
      this.getUserList()
    },
    // 监听switch开关状态改变
    async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(
        `userState?id=${userinfo.id}&state=${userinfo.state}`
      )
      if (res !== 'success') {
        userinfo.id = !userinfo.id
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed() {
      // 重置表单项
      this.$refs.addFormRef.resetFields()
    },
    //点击确定按钮，添加新用户
    addUser() {
      for (let item of this.userlist) {
        if (this.addForm.username == item.username) {
          return this.$message.error('用户名称已存在')
        }
      }

      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return false
        //验证通过发起添加新用户的网络请求
        const { data: res } = await this.$http.post('addUser', this.addForm)
        if (res !== 'success') {
          return this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏添加用户对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    // 展示用户编辑的对话框
    async showEditDialog(id) {
      const { data: res } = await this.$http.get('getUpdate?id=' + id)
      if (res == null) {
        return this.$message.error('查询用户信息失败！')
      }
      this.editForm = res
      console.log(res)
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed() {
      // 重置表单项
      this.$refs.editFormRef.resetFields()
    },
    //修改用户信息并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        //发起修改用户信息的数据请求
        const { data: res } = await this.$http.put('editUser', this.editForm)
        if (res !== 'success') {
          return this.$message.error('修改数据失败！')
        }
        //关闭对话框
        this.editDialogVisible = false
        //刷新用户数据列表
        this.getUserList()
        //提示修改成功
        this.$message.success('修改数据成功！')
      })
    },
    //根据id删除用户
    async removeUserById(id) {
      //弹框询问用户是否删除
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户信息, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => {
        return err
      })
      //如果用户确定删除，返回字符串confirm，如果取消返回cancel
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除！')
      }
      const { data: res } = await this.$http.delete('deleteUser?id=' + id)
      if (res !== 'success') {
        return this.$message.error('删除用户失败!')
      }
      this.$message.success('删除用户成功!')
      this.getUserList()
    },
    // 展示分配角色对话框
    async setRole(userInfo) {
      this.userInfo = userInfo
      this.setRoleDialogVisible = true
    },
    // 点击分配按钮，分配角色
    async setRoleInfo() {
      if (!this.newRoleName) {
        return this.$message.error('请输入要分配的角色！')
      }
      const { data: res } = await this.$http.put(
        `editRole?id=${this.userInfo.id}&role=${this.newRoleName}`
      )

      if (res !== 'success') {
        return this.$message.error('更新角色失败!')
      }
      this.$message.success('更新角色成功!')
      // 更新用户列表
      this.getUserList()
      //隐藏分配角色对话框
      this.setRoleDialogVisible = false
    },
    // 监听角色对话框的关闭事件
    setRoleDialogClosed() {
      this.newRoleName = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped></style>
